825242207 has 2 divisors, whose sum is σ = 825242208. Its totient is φ = 825242206.

The previous prime is 825242179. The next prime is 825242233. The reversal of 825242207 is 702242528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 825242207 - 2¹⁴ = 825225823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825242267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412621103 + 412621104.

It is an arithmetic number, because the mean of its divisors is an integer number (412621104).

Almost surely, 2^825242207 is an apocalyptic number.

825242207 is a deficient number, since it is larger than the sum of its proper divisors (1).

825242207 is an equidigital number, since it uses as much as digits as its factorization.

825242207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 825242207 is about 28727.0292059586. The cubic root of 825242207 is about 937.9805018201.

The spelling of 825242207 in words is "eight hundred twenty-five million, two hundred forty-two thousand, two hundred seven".